食欲减退，脘腹胀满，嗳腐吞酸，属（）。
A.脾胃虚弱
B.脾湿不运
C.食积内停
D.脾胃湿热
E.肝胆湿热
参考答案：C
The number of people invited _____ fifty, but a number of them ____ absent for different reasons. [ ]
A. were; was
B. was; was
C. was; were
D. were; were
两台吊车一起工作时，两车的距离不得小于5米。
